Finding the Third Proportional to 1,403,842 and 2,260,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,842 : 2,260,798 = 2,260,798 : x
2. Step 2: Convert to fraction form
   1,403,842/2,260,798 = 2,260,798/x
3. Step 3: Cross multiply
   1,403,842x = 2,260,798 × 2,260,798
4. Step 4: Simplify right side
   1,403,842x = 5,111,207,596,804
5. Step 5: Solve for x
   x = 5,111,207,596,804/1,403,842
6. Step 6: Final answer
   x = 3,640,870.98